2788140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1499}}^1$

素因数の和:1542

約数の個数: 48

約数和(自身を含む): 8064000

約数和(自身を除く): 5275860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1499, 1860, 2998, 4497, 5996, 7495, 8994, 14990, 17988, 22485, 29980, 44970, 46469, 89940, 92938, 139407, 185876, 232345, 278814, 464690, 557628, 697035, 929380, 1394070, 2788140]

約数ペア:

[(1, 2788140), (2, 1394070), (3, 929380), (4, 697035), (5, 557628), (6, 464690), (10, 278814), (12, 232345), (15, 185876), (20, 139407), (30, 92938), (31, 89940), (60, 46469), (62, 44970), (93, 29980), (124, 22485), (155, 17988), (186, 14990), (310, 8994), (372, 7495), (465, 5996), (620, 4497), (930, 2998), (1499, 1860)]